package com.springcloud.gateway.filter;

import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

import java.util.Date;

/**
 * Title: MyLogGateWayFiletr
 * Description: 拦截器，只需要继承GlobalFilter, Ordered两个接口，并注入bean容器中，就可以生效
 *
 * @author gejx
 * @version V1.0
 * @date 2022-01-04
 */
@Component
@Slf4j
public class MyLogGateWayFilter implements GlobalFilter, Ordered {
    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
       log.info("come in MyLogGateWayFilter"+new Date());
        String name = exchange.getRequest().getQueryParams().getFirst("name");
        if(name==null){
            log.info("用户非法");
            exchange.getResponse().setStatusCode(HttpStatus.NOT_ACCEPTABLE);
        }
        return chain.filter(exchange);
    }

    @Override
    public int getOrder() {
        return 0;
    }
}
